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Green circuit board with black memory chips and gold edge connectors

Kingston Technology Corp.

Kingston Technology Corp. KVR21E15D8/16I 16GB DDR4 2133 ECC server RAM

SKU CH-2ASP-PMVD8 MPN KVR21E15D8/16I

16 GB DDR4 2133 ECC unbuffered DIMM, CL15 at 1.20 V, Intel validated and 100 % factory tested

  • Total capacity16 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • ECC protects data integrity in server workloads
  • 16GB capacity supports larger datasets and virtualization
  • DDR4 2133 speed with CL15 latency for responsive performance
  • Unbuffered 288-pin DIMM fits compatible server boards
  • Intel validated and 100% factory tested at speed

16GB DDR4 ECC module for server builds

This 16GB DDR4 2133 module adds error-correcting code memory to compatible server platforms. The unbuffered 288-pin DIMM runs at 1.20V with CL15 latency. It suits administrators who need data integrity without registered memory overhead.

Intel-validated JEDEC design with no heat spreader

Factory testing at rated speed and Intel validation confirm baseline compatibility. The bare PCB fits dense DIMM arrays where tall spreaders would block adjacent slots. Unbuffered signalling keeps the memory controller path direct for supported platforms.

Replaces non-ECC or lower-capacity DDR4 DIMMs

The jump is worthwhile when workloads demand single-bit error correction and 16GB per slot density. Builders who need registered modules, higher frequencies, or heat-spreader clearance should look elsewhere.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $114.99
Cheaper than about 64% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $7.19 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameKingston
Product lineValueRAM
Model nameKVR21E15D8/16I
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.05 kg
Package size151 × 51 × 13 mm

Questions about this item

Does the DDR4 2133 interface cap real-world bandwidth at PC4 17000?

Yes, the module is rated DDR4 2133 which corresponds to the PC4 17000 bandwidth ceiling; actual throughput will not exceed that figure.

Will this 288-Pin DIMM fit a standard server motherboard slot?

The stick uses the 288-Pin DDR4 form factor, so it installs in any DDR4 DIMM socket that accepts unbuffered ECC modules.

Is there a specific notch alignment step that people miss when seating this RAM?

Align the single off-centre notch on the module with the key in the DDR4 slot, press straight down until both retention clips click — forcing it backwards bends pins.

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